# list1 = [1,1,3,4,5,4,4]
# listnew = list(set(list1))
# for i in listnew:
#     c= 0
#     for j in list1:
#         if j ==i :
#             c += 1
#     if c == 1:
#         print(i)


import time

# lst = [i for i in range(1,1000001)]
# print(lst)

# s = time.time()
# list = []
# for i in range(1, 1000001):
#     list.append(i)
# print(list)
# e = time.time()
# print(e - s)
# a = 0.17353105545043945
# b = 0.17774343490600586
# print(a-b)



















































